Home / 42,364.93-63,542.52-11,202.61

Finding the Fourth Proportional to 42,364.93, 63,542.52 and 11,202.61

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Solution

The fourth proportional to 42,364.93, 63,542.52 and 11,202.61 is: 16,802.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,364.93 : 63,542.52 = 11,202.61 : x
  2. Step 2: Convert to fraction form
    42,364.93/63,542.52 = 11,202.61/x
  3. Step 3: Cross multiply
    42,364.93x = 63,542.52 × 11,202.61
  4. Step 4: Simplify right side
    42,364.93x = 711,842,069.98
  5. Step 5: Solve for x
    x = 711,842,069.98/42,364.93
  6. Step 6: Final answer
    x = 16,802.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.